anonymous
  • anonymous
2x - y = 7 4x + y = -14 x - y = 4 x + 2y = 11 3x = y 2x - 2y = 8 SHOW WORK PLEASE AND THANK YOU
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
1) multiply 1 by 2 and add both equations.... x = 5, y = 3 2) put the value of y on first equation, x = -2, y = -6 3) infinite solutions..... such that x=4,y=0, x= 5, y=1 and so on......
anonymous
  • anonymous
I DONT UNDERSTAND WHATS THE LAST ANSWER
anonymous
  • anonymous
actually both equations are same .......... so x -y = 4 any value of x and y where x is greater than y by 4....... will satisfy the equation.........

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anonymous
  • anonymous
here there would be infinite solutions........

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